Resumming Leading Logarithmic Corrections in O(N)

Who: Lisa Carloni (Lund University)
When: Friday, December 18, 2009 at 13:00
Where: The CP³ meeting room
Abstract: I will explain how one can in principle calculate the leading logarithmic corrections to an observable at any order in the perturbative expansion from simple one-loop calculations. I will give an alternative proof for this. I will then describe the specific case of m_π and F_π in O(N), and finally explain how we have been able to resum the series in the large N limit.
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